WO2020075559A1 - Dispositif de connecteur rotatif et procédé d'assemblage de dispositif de connecteur rotatif - Google Patents

Dispositif de connecteur rotatif et procédé d'assemblage de dispositif de connecteur rotatif Download PDF

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Publication number
WO2020075559A1
WO2020075559A1 PCT/JP2019/038592 JP2019038592W WO2020075559A1 WO 2020075559 A1 WO2020075559 A1 WO 2020075559A1 JP 2019038592 W JP2019038592 W JP 2019038592W WO 2020075559 A1 WO2020075559 A1 WO 2020075559A1
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WO
WIPO (PCT)
Prior art keywords
fixed
ring plate
connector
stator
connector device
Prior art date
Application number
PCT/JP2019/038592
Other languages
English (en)
Japanese (ja)
Inventor
雄哉 長谷川
Original Assignee
古河電気工業株式会社
古河As株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 古河電気工業株式会社, 古河As株式会社 filed Critical 古河電気工業株式会社
Priority to KR1020217011931A priority Critical patent/KR20210071006A/ko
Priority to JP2020550430A priority patent/JP7328242B2/ja
Priority to CN201980064387.8A priority patent/CN112789772B/zh
Priority to EP19871637.5A priority patent/EP3859911B1/fr
Publication of WO2020075559A1 publication Critical patent/WO2020075559A1/fr
Priority to US17/218,579 priority patent/US11552437B2/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members
    • H01R35/025—Flexible line connectors without frictional contact members having a flexible conductor wound around a rotation axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum

Definitions

  • the present invention relates to a rotary connector device mounted on a vehicle such as an automobile.
  • electric devices provided on the steering wheel side and a power source provided on the vehicle body side are electrically connected via a flat cable wound and housed inside a rotary connector device. There is.
  • a rotating body composed of an annular rotating side ring plate and a cylindrical inner peripheral tubular portion formed on the inner peripheral edge of the rotating side ring plate, and an annular fixed side ring plate.
  • a fixed body constituted by a cylindrical outer peripheral tubular portion formed on the outer peripheral edge of the fixed side ring plate are fitted so as to be rotatable relative to each other, and on the main surface of the rotary side ring plate on the side opposite to the accommodation space.
  • a rotation-side connector that communicates with the accommodation space is erected upward, and a fixed-side connector that communicates with the accommodation space is provided on the outer peripheral tubular portion so as to project radially outward.
  • a cylindrical rotary connector device is disclosed in Patent Document 1.
  • a flat cable housed in a housing space formed by a rotating body and a fixed body are connected to a fixed side connector and a rotating side connector, respectively, and the flat cable
  • the side power source and electric devices such as a horn module, an air bag module, or an audio control module mounted on the steering wheel side.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a rotating connector device that can be downsized and an assembling method of the rotating connector device.
  • the present invention relates to a rotary connector device that is composed of a rotating body that fits relatively rotatably and that forms a cylindrical housing space inside, a fixed body, and a flat cable that is wound and housed in the housing space.
  • the rotating body is composed of an annular rotating side ring plate and a cylindrical inner peripheral tubular portion forming an inner peripheral surface of the accommodation space
  • the stationary body is an annular stationary side ring plate.
  • a fixed-side connector electrically connected to an electric device arranged on the fixed body side is connected to one end of the flat cable.
  • the fixed body is provided with an insertion portion through which one end side of the flat cable is inserted along the rotation axis direction of the rotating body that relatively rotates from the accommodation space to the outside of the fixed body, and the fixed side. Outside of the ring plate Wherein said that the fixed connector is placed on the surface.
  • the rotating body is composed of an annular rotating-side ring plate and a rotator composed of a cylindrical inner peripheral tubular portion forming an inner peripheral surface of the accommodation space, and a sleeve integrated with the rotator. And those composed only of the rotator.
  • the fixed body is a fixed body in which a first fixed body forming the fixed side ring plate and a second fixed body forming the outer peripheral tubular portion are fitted together, or the outer peripheral tubular portion and the fixed side ring plate. Includes a fixed body integrally formed.
  • the electric devices are electrically connected to a horn module, an air bag module, etc. provided on a steering wheel mounted on the rotary connector device via the flat cable housed in the housing space. Anything may be used as long as it includes, for example, a vehicle body battery provided on the vehicle body side, an electric junction box, and the like.
  • the outer peripheral tubular portion When it is formed in a part of the above, it includes the case where it is formed by the outer peripheral cylinder portion and the fixed side ring plate.
  • the fixed side connector is installed on the outer main surface of the fixed side ring plate mentioned above means that it is visible from the outside on the outer main surface of the fixed side ring plate when the accommodation space side is the inside. This includes a case where the fixed side connector is removably installed on the main surface and a case where the fixed side connector is installed so as not to be removable.
  • the fixed side ring plate is provided with a locking part or a fitting part and the fixed side connector is installed by locking or fitting, a thermosetting resin, an adhesive, etc.
  • the fixed-side connector is installed on the fixed-side ring plate by fixing the fixed-side connector to the fixed-side ring plate by screwing the fixed-side connector to the fixed-side ring plate,
  • the connector is fixedly installed on the fixed side ring plate, a combination of these is also included.
  • the present invention it is possible to reduce the size of the rotary connector device. More specifically, since the fixed body is provided with the insertion portion and the fixed side connector connected to one end of the flat cable is installed on the fixed side ring plate, one end side of the flat cable is It is possible to arrange the fixed-side connector that is pulled out from the accommodation space outward along the rotation axis direction and that is connected to one end of the flat cable so as to project toward the fixed body side.
  • the rotary connector device can be downsized.
  • an installation portion for installing the fixed-side connector may be provided on the outer main surface of the fixed-side ring plate.
  • the installation portion is configured to detachably fix the fixed-side connector to the fixed-side ring plate, and includes a locking portion that locks and installs the fixed-side connector on the fixed-side ring plate. , Including a fitting part that is fitted and installed.
  • the installation portion provided on the fixed side ring plate side includes a case formed on the main surface of the fixed side ring plate and a case formed through the fixed side ring plate.
  • the fixed-side connector inserted through the insertion portion can be attached to and detached from the fixed-side ring plate, so that the assembly work of the rotary connector device can be efficiently performed. More specifically, by providing the fixed side ring plate with the installation portion, the fixed side connector can be detached from the fixed side ring plate. Therefore, for example, when connecting the fixed-side connector to the flat cable that has been inserted through the insertion portion, it is possible to move the fixed-side connector to a desired position where it can be easily connected to the flat cable, and easily It is possible to connect the flat cable and the fixed-side connector. Therefore, the assembly work of the rotary connector device can be efficiently performed.
  • the installation portion may be integrally formed on an outer main surface of the fixed side ring plate. According to the present invention, since the flat cable can be slid more smoothly in the accommodation space, the quality of the rotary connector device can be improved.
  • the installation portion that installs the fixed-side connector on the fixed-side ring plate is integrally formed on the outer main surface of the fixed-side ring plate, It is possible to prevent the main surface from being formed with a protrusion protruding toward the accommodation space, or a recess or a through hole recessed outward along the rotation axis direction.
  • the fixed body includes a first fixed body having the outer peripheral tubular portion and a second fixed body having the fixed side ring plate, and the first fixed body has the fixed side.
  • a temporary fixing portion may be provided to temporarily fix the connector radially outside the outer peripheral cylinder portion.
  • a cylindrical accommodation space for winding and accommodating a flat cable having a fixed side connector electrically connected to an electric device arranged on a vehicle body and connected at one end is formed inside
  • a method for assembling a rotary connector device in which a rotating body and a fixed body are fitted to each other so as to be rotatable relative to each other, wherein the rotating body is an annular rotation-side ring plate and a cylinder formed with an inner peripheral surface of the accommodation space.
  • a fixed inner ring-shaped ring plate and an outer peripheral cylindrical portion formed with the inner peripheral surface of the accommodation space, and the fixed body is the outer peripheral cylinder.
  • a first fixed body having a portion, and an insertion portion through which one end side of the flat cable is inserted along the rotation axis direction of the rotating body that relatively rotates from the accommodation space to the outside of the fixed body.
  • a second fixed body having the fixed side ring plate provided with an installation portion for installing the fixed side connector on the outer main surface of the plate, and the outer periphery of the rotary body around which the flat cable is wound.
  • the fixed side connector installation step may be performed in this order.
  • a temporary fixing portion for temporarily fixing the fixed-side connector connected to one end of the flat cable is provided in the first fixing body in a radial direction of the outer peripheral tubular portion.
  • the fixed-side connector may be temporarily fixed to the temporary fixing portion provided outside and in the fixed-side connector temporary fixing step.
  • the place where the fixed side connector is temporarily fixed is not specified.
  • the case where the rotary connector device is temporarily fixed to a temporary fixing portion separately provided in the assembling device is included.
  • the flat cable in assembling the rotary connector device, the flat cable can be prevented from being damaged, and the assembling work can be made efficient. More specifically, since the fixed body is composed of the first fixed body and the second fixed body, the assembly work of the rotary connector device is performed by winding the flat cable around the inner peripheral tubular portion. After the first fixed body is assembled to the rotating body, the fixed-side connector is brought out of the accommodation space, and the flat cable connected to the fixed-side connector via the insertion portion is removed from the accommodation space. The insertion portion can be inserted so as to extend outward along the rotation axis direction. After that, the second fixed body can be assembled to the first fixed body. Accordingly, it is possible to prevent the flat cable inserted through the insertion portion from interfering with the second fixed body, and prevent damage to the flat cable.
  • the fixed side connector connected to one end of the flat cable can be temporarily fixed, so that the fixed side connector and the flat cable one end side are fixed to each other. Assembling work can be performed efficiently without disturbing the body assembling work.
  • the fixed body is composed of the first fixed body and the second fixed body, and by providing the fixed body on the first fixed body, damage of the flat cable can be prevented, and the rotary connector device is assembled. Work can be done efficiently.
  • the insertion portion may be provided entirely or partially outside the accommodation space in the radial direction.
  • the flat cable connected to the fixed-side connector is inserted through the insertion provided on the radially outer side of the fixed-side ring plate. Therefore, the flat cable accommodated in the accommodation space is inserted.
  • the insertion portion is arranged on the outer side in the radial direction. Therefore, it is possible to prevent one end side of the flat cable that is inserted through the insertion portion from rubbing against the flat cable that is wound inward in the radial direction, and to prevent damage to the flat cable.
  • a fixed side cover attached to the fixed side ring plate may be provided so as to surround the connection portion between the fixed side connector and the flat cable.
  • one end side of the flat cable and the fixed side connector can be protected, and it is possible to prevent unintended external force from acting on the one end side of the flat cable and the fixed side connector. Therefore, it is possible to prevent the fixed side connector and the one end side of the flat cable from being damaged.
  • the fixed-side connector may be arranged radially inward of an outer peripheral edge of the fixed-side ring plate.
  • the fixed-side connector can be reliably arranged on the inner side in the radial direction of the rotary connector device in the bottom view, so that one end of the flat cable can be pulled inward in the radial direction. Therefore, it is possible to prevent the flat cable from interfering with other members arranged on the outer side in the radial direction of the rotary connector device, prevent the flat cable from being damaged, and ensure the miniaturization of the rotary connector device. Can be planned.
  • FIG. 3 is a schematic perspective view of the rotary connector device as viewed from below.
  • FIG. 3 is a schematic exploded perspective view of the rotary connector device as viewed from below.
  • FIG. 3 is a schematic exploded perspective view of a flat cable, a fixed side connector, and a housing cover. Explanatory drawing of a fixed side connector and a housing cover. Explanatory drawing of a stator main body. Explanatory drawing of a sub stator. Explanatory drawing of a stator. The flowchart of the assembly method of a rotary connector apparatus.
  • FIG. 3 is a schematic perspective view of a fixed side connector assembled to the assembled rotator and sub-stator.
  • FIG. 3 is a schematic perspective view showing a state where the stator body is assembled to the sub-stator to which the fixed side connector is temporarily fixed. Sectional drawing of the state which assembled the stator main body to the assembled rotator and sub stator. Sectional drawing of the state which the fixed side connector was attached to the assembled rotator and stator. Sectional drawing of the state which assembled the housing cover to the assembled fixed side connector. Sectional drawing of the state which assembled the housing cover to the assembled fixed side connector. Sectional drawing of the stator in other embodiment.
  • FIG. 1 shows a schematic perspective view of the rotary connector device 1 viewed from above
  • FIG. 2 shows a schematic perspective view of the rotary connector device 1 viewed from below
  • FIG. 3 is a schematic exploded view of the rotary connector device 1 viewed from below. A perspective view is shown. Note that, in FIG. 3, illustration of the fixed side connector 40 and the housing cover 50 is omitted.
  • the rotator 10 side is the + Z direction (upper side)
  • the sleeve 30 side is the ⁇ Z direction (lower side) with the stator 20 as the reference
  • the upward and downward directions are ⁇ Z directions.
  • the right front side in FIG. 1 is the + X direction
  • the left back side is the ⁇ X direction
  • the forward and backward directions are the ⁇ X directions.
  • the left front side is the + Y direction
  • the right back side is the right side ⁇ Y direction
  • the direction from the right side to the left side is the ⁇ Y direction.
  • the ⁇ Z direction, the ⁇ X direction and the ⁇ Y direction are orthogonal to each other. The same applies to FIGS. 2 to 15 below.
  • FIG. 4 is a schematic exploded perspective view of the flat cable 100 accommodated in the accommodation space S, the fixed side connector 40 connected to one end of the flat cable 100, and the housing cover 50
  • FIG. 5 is the fixed side connector 40 and the housing cover.
  • 50 shows an explanatory view of the stator main body 20A
  • FIG. 6 shows an explanatory view of the sub-stator 20B
  • FIG. 8 shows an explanatory view of the stator 20 in which the stator main body 20A and the sub-stator 20B are assembled.
  • FIG. 5A is a side view of the fixed connector 40
  • FIG. 5B is a bottom view of the fixed connector 40
  • FIG. 5A is a sectional view taken along line AA in FIG. 5A
  • FIG. 5D is a side view of the housing cover 50
  • FIG. 5E is a sectional view taken along line BB in FIG. 5D.
  • FIG. 6A shows a bottom view of the stator main body 20A
  • FIG. 6B shows a sectional view taken along the line CC in FIG. 6A
  • 7A shows a bottom view of the sub-stator 20B
  • FIG. 7B shows a sectional view taken along the line DD in FIG. 7A
  • 8A shows a bottom view of the stator 20
  • FIG. 8B shows a sectional view taken along the line EE in FIG. 8A.
  • the sectional view taken along the line CC, the sectional view taken along the line DD, and the sectional view taken along the line EE are sectional views of cut surfaces at corresponding positions.
  • FIG. 9 shows a flowchart of an assembling method for assembling the rotary connector device 1
  • FIG. 10 shows a schematic perspective view of a state in which the fixed side connector 40 is temporarily fixed to the assembled rotator 10 and sub-stator 20B.
  • FIG. 11 is a schematic perspective view showing a state where the stator main body 20A is assembled to the sub-stator 20B to which the fixed side connector 40 is temporarily fixed.
  • FIG. 12 is a sectional view showing a state where the stator body 20A is assembled to the assembled rotator 10 and the sub-stator 20B
  • FIG. 13 is a schematic perspective view and sectional view showing a state where the fixed side connector 40 is assembled to the assembled rotator 10 and the stator 20.
  • Indicates. 12 and 13 are cross-sectional views of a position corresponding to the cut surface in the cross-sectional view taken along the line CC.
  • FIG. 14 is a sectional view showing a state in which the housing cover 50 is assembled to the fixed side connector 40 on the assembled rotator 10 and stator 20, and FIG. 15 is a sectional view taken along line FF and line GG in FIG. A sectional view is shown. Note that FIG. 14 is a cross-sectional view of a position corresponding to the cut surface in the cross-sectional view taken along the line CC.
  • the rotary connector device 1 includes a rotator 10, a stator 20 positioned below the rotator 10, and a sleeve 30 that is assembled so that the rotator 10 and the stator 20 can rotate relative to each other.
  • a flat cable 100 (hereinafter, referred to as FFC 100) is a substantially cylindrical body configured by being assembled in this order from above along the direction, and is in a cylindrical accommodation space S formed by the rotator 10 and the stator 20. Two sheets are piled up and wound and stored.
  • the FFC 100 housed in the housing space S, the fixed-side connector 40 connected to the FFC 100, and the housing cover 50 assembled to the fixed-side connector 40 will be described.
  • the FFC 100 is composed of a plurality of band-shaped conductors (not shown) arranged in parallel, and an insulating coating (not shown) that sandwiches the band-shaped conductors to insulate them, and a part of the insulating coating is peeled off from both ends of the FFC 100.
  • a conductor exposed portion (not shown) is formed to expose a strip-shaped conductor having a predetermined length. One end side of the conductor exposed portion exposed in this way is connected to the fixed side connector 40, and the other end side is connected to a rotation side connector (not shown).
  • the fixed-side connector 40 connected to one end of the FFC 100 has a bus bar holding portion 41 (which holds the bus bar B connected to the strip-shaped conductor of the FFC 100 that is wound in two layers).
  • the bus bar holding portion 41 connects the bus bar holding body 411, which is a rectangular plate-shaped body holding the eight bus bars B connected to the FFC 100, and the conductor exposed portion of the FFC 100. For this reason, the conductor connecting portion 412 that exposes the bus bar B and the protruding portion holding portion 413 that holds the nine bus bars B (including one dummy bus bar) protruding in the + X direction are configured.
  • the bus bar B held by the bus bar holding portion 41 is formed in a substantially L shape in a side view.
  • the conductor connecting portion 412 is an opening formed by opening the side surface in the + Y direction on the bottom surface side ( ⁇ Z direction side) of the bus bar holder 411, and the base end side of the bus bar B is exposed.
  • the end portion of the bus bar holder 411 in the ⁇ Z direction that is, the bottom surface of the bus bar holder 411 on the side where the conductor connecting portion 412 is formed is formed in a substantially rectangular shape.
  • the protruding portion holding portions 413 of the bus bar holding portion 41a are arranged along the ⁇ Z direction so that the seven bus bars B project upward in the + X direction, and the two bus bars B project downward in the + X direction. Thus, they are arranged along the ⁇ Z direction.
  • the projecting portion holding portions 413 of the bus bar holding portion 41b are arranged along the ⁇ Z direction so that the seven bus bars B project upward in the + X direction, and the two bus bars B project upward in the lower direction. They are arranged in the ⁇ Z direction so as to project in the + X direction from a position displaced in the + Y direction from the bus bar B.
  • two bus bar holding portions 41 a and 41 b are arranged so as to overlap in the ⁇ Y direction.
  • the seven bus bars B held by the two bus bar holding portions 41 along the ⁇ Z directions are arranged in two rows along the ⁇ Y directions.
  • the four bus bars B arranged below are arranged side by side along the ⁇ Z direction.
  • the upper bus bar cover 42 that protects the 14 bus bars B arranged above has an upper cover main body 421 having a rectangular cross section and a base end side ( ⁇ X direction side) of the upper cover main body 421. It is configured with an upper fitting convex portion 422 that projects in the ⁇ Y direction. Further, a temporary locked portion 423 protruding in the ⁇ Y direction is provided at the center lower end portion of the side surface of the upper cover body 421 in the ⁇ Y direction.
  • the upper fitting protrusions 422 protruding in the ⁇ Y directions from the base end sides ( ⁇ X direction sides) of both side surfaces of the upper cover body 421 are formed along the ⁇ Z directions.
  • the temporary locked portion 423 has a base end side protruding from the side surface in the ⁇ Y direction of the upper cover body 421 in the + Y direction with a predetermined plate thickness, and in the + Y direction. Is formed of a rectangular plate-like body having a predetermined width in the ⁇ Z directions and a predetermined length in the ⁇ X directions. That is, the temporary locked portion 423 is formed in a substantially T shape in bottom view (see FIG. 5B).
  • the lower bus bar cover 43 arranged below the upper bus bar cover 42 is a cover for protecting the four bus bars B arranged below, as shown in FIG. 5C, and has a hollow cross section. It is composed of a rectangular lower cover body 431 and a lower fitting convex portion 432 formed along the ⁇ Z direction on the base end side ( ⁇ X direction side) of the lower cover body 431.
  • the lower fitting protrusion 432 is formed at a position that is linear with the upper fitting protrusion 422.
  • the fixed-side connector 40 configured in this way is connected to a battery cable provided on the vehicle body or a connector of an electric wire cable (not shown) connected to the electric connection box.
  • the housing cover 50 that protects the busbar holding portion 41 is a housing cover body that is a hollow housing that is open in the ⁇ Z direction and the + X direction. 51, fitting grooves 52, 52 formed in the opening of the housing cover main body 51 in the + X direction, and a cover fixing portion 53 formed in the outer frame of the housing cover main body 51, are integrally configured.
  • the housing cover main body 51 has a casing formed such that the lengths of the inner wall in the ⁇ Z direction and the ⁇ Y direction are substantially the same as the length of the corresponding fixed-side connector 40.
  • the body is a body, and a protective space K in which the bus bar holder 411 can be stored is formed inside.
  • the fitting grooves 52, 52 are formed as recesses that are recessed in the opposite direction from the inner walls on both side surfaces of the opening in the + X direction of the housing cover body 51 toward the protective space K.
  • the concave portion extends along the ⁇ Z directions.
  • the intervals between the fitting grooves 52 are formed to be the same as the intervals between the upper fitting protrusions 422 and 422. That is, by fitting the upper fitting protrusions 422, 422 into the fitting grooves 52, 52, the housing cover 50 can be attached to the fixed connector 40.
  • the cover fixing portion 53 is a plate-shaped body having a circular through hole 53a formed in the central portion. As shown in FIGS. 4 and 5 (e), the cover fixing portion 53 is formed at a predetermined height from the bottom surface of the housing cover body 51 at each corner of the housing cover body 51 in bottom view. There is.
  • the rotator 10 that constitutes the rotary connector device 1 includes a substantially annular rotation side ring plate 11 having a substantially circular through hole in a central portion in plan view, and a rotation side ring plate 11
  • a rotation-side connector that is integrally formed with the inner peripheral tubular portion 12 that is formed downward from the peripheral edge, and that protrudes in the + Z direction (up) on the + Z direction (up) main surface of the rotation-side ring plate 11.
  • Two accommodation parts 13 are provided.
  • the inner peripheral cylinder portion 12 forms an inner peripheral surface of a cylindrical accommodation space S formed inside the rotary connector device 1 by the rotator 10 and the stator 20.
  • the rotating-side connector accommodating portion 13 accommodates a rotating-side connector connected to the other end of the FFC 100 accommodated in the accommodating space S, and electrical devices such as a horn switch and an airbag unit provided on the steering wheel.
  • a connector of an electric wire cable (not shown) connected to the electric circuit is connected from the outside.
  • the sleeve 30 assembled with the rotator 10 configured as described above is a substantially cylindrical body having a through hole penetrating in the ⁇ Z direction at the central portion in plan view, and from the ⁇ Z direction.
  • the stator 20 described later is sandwiched between the rotator 10 and assembled.
  • relative rotation of the rotator 10 and the stator 20 in the clockwise direction R and the counterclockwise direction L is enabled with the central axis of the rotating side ring plate 11 as the rotating axis A.
  • the stator 20 rotatable relative to the rotator 10 includes a stator body 20A, which is a substantially annular plate body having an opening in the central portion, and a sub-stator 20B, which is a substantially cylindrical body, fitted in the ⁇ Z direction.
  • a fixed-side ring plate 21 forming a lower surface and a substantially cylindrical outer peripheral cylindrical portion having an inner peripheral surface forming an outer peripheral surface of the accommodation space S, which is a bottomed substantially cylindrical body having an upper surface opened. 22 and 22.
  • the stator main body 20A includes a stationary side ring plate 21 formed in a circular shape so that corner portions 21a are formed at the ends in the + Y direction and the ⁇ X direction in bottom view. It is a plate-like body having a substantially circular shape in a bottom view in which a part in the + Y direction and a part in the ⁇ X direction of the outer peripheral edge are linear.
  • a small connector accommodating portion 23 capable of accommodating a small connector for heat steer is provided upright in the -Z direction.
  • the + Y-direction end portion (the portion formed in the linear shape) of the stator body 20A and the + X-direction side of the small-sized connector accommodating portion 23 are recessed in the -Y direction.
  • the insertion portion 24 is provided. In other words, the insertion portion 24 is arranged on the outer side in the radial direction of the fixed side ring plate 21 formed in a circular shape in plan view about the rotation axis A.
  • a partition portion 25 protruding in the -Z direction (downward) is provided in the -Y direction of the insertion portion 24, and a rectangular fitting recess 26 is provided further in the -Y direction of the partition portion 25. ing.
  • four fixed base portions 27 standing upright in the ⁇ Z direction are provided so as to form substantially four corners of a rectangle.
  • the stator body 20A is a small connector accommodating portion in the -Z direction (downward), which is the opposite side of the fixed ring plate 21 to the fixed ring plate 11, in the rotary connector device 1 in which the rotator 10 and the stator 20 are assembled.
  • an insertion portion 24, a partition portion 25, a fitting concave portion 26, and a fixed base portion 27 are provided.
  • the insertion portion 24 is a concave portion formed by recessing the outer peripheral edge portion of the fixed side ring plate 21 in the + Y direction, which is linearly formed, in the ⁇ Y direction by about twice the thickness of the FFC 100.
  • the partition portion 25 is a wall that is erected so as to separate the insertion portion 24 and the fitting recess 26, and as illustrated in FIG. 6B, the side surface on the ⁇ Y direction side is vertically erected.
  • the bottom surface side (-Z direction side) of the side surface on the + Y direction side is formed to have a substantially triangular cross section that is inclined so as to taper in the -Y direction. It should be noted that the tip portion (bottom surface portion) of the partition portion 25 is rounded.
  • the fitting recess 26 corresponds to an installation portion for installing the fixed-side connector 40 in the rotary connector device 1, and includes the annular fixed-side ring plate 21. When viewed from the bottom, it is formed radially inward of the outer peripheral edge of the fixed side ring plate 21.
  • the fitting concave portion 26 is a fitting hole formed by a convex portion projecting in a substantially U shape from the outer main surface of the fixed side ring plate 21 in the ⁇ Z direction so as to open in the + Y direction. is there.
  • the fitting recess 26 is formed as a substantially rectangular recess in bottom view.
  • the fitting concave portion 26 is formed so as not to penetrate the fixed side ring plate 21 or form a convex portion on the main surface of the fixed side ring plate 21 in the + Z direction.
  • the recess formed by the fitting recess 26 formed in this manner is formed in a size such that the bottom surface portion of the bus bar holding portion 41 can be fitted therein.
  • the fixed base portion 27 is a convex portion that protrudes in the ⁇ Z direction from the fixed side ring plate 21 so as to be approximately half the height of the fitting concave portion 26, and has a circular shape that can be screwed to each central portion.
  • the screwing concave portion 27a is provided.
  • the sub-stator 20B having the outer peripheral cylindrical portion 22 that forms the outer peripheral surface of the accommodation space S whose inner peripheral surface is cylindrical will be described with reference to FIG.
  • the sub-stator 20B is a substantially cylindrical tubular body that is slightly smaller than the stator body 20A in a bottom view, and corresponds to the corner portion 21a of the stator body 20A in the + Y direction and the -X direction of the outer peripheral tubular portion 22.
  • a solid rectangular outer peripheral surface 22a is formed at the end of the.
  • the + Y-direction outer peripheral surface formed on the plane corresponding to the + Y-direction end portion of the stator body 20A is provisionally formed in a substantially T-shape in bottom view.
  • a fixed portion 28 is provided.
  • the temporary fixing portion 28 is a recess having a substantially T shape in a bottom view, which is formed in substantially the same shape as the temporary locked portion 423 formed in the upper bus bar cover 42 in a bottom view.
  • a protective wall portion 29 having a height of about 3/4 of the partition portion 25 is formed along the outer peripheral surface of the rectangular outer peripheral surface 22a.
  • a cable passage T having a width of about twice the thickness of the FFC 100 is formed along the outer periphery of the square outer peripheral surface 22a on the radial inner side of the square outer peripheral surface 22a in the sub-stator 20B.
  • the cable passage T includes a guide passage Ta that guides the rectangular outer peripheral surface 22a along the tangential direction of the outer peripheral tubular portion 22, a direction change passage Tb that guides the guide passage Ta in the + X direction, and a direction change passage Tb.
  • a drawing-out passage Tc formed along the ⁇ X direction from the tip of the (see FIG. 7A).
  • the insertion portion 24 is arranged outside the accommodation space S in the radial direction. Will be done. Further, since the insertion portion 24 is arranged at a position corresponding to the drawing passage Tc, the FFC 100 arranged in the cable passage T should be brought out from the accommodation space S along the rotation axis A in the -Z direction. You can Although the entire insertion portion 24 is arranged on the outer side in the radial direction of the accommodation space S, a part thereof may be arranged on the outer side in the radial direction.
  • the protection wall portion 29 forming the outer peripheral surface of the square outer peripheral surface 22a covers the corner portion 21a of the fixed side ring plate 21 so that the outer peripheral surface of the small connector accommodating portion 23 can be protected. Will be placed.
  • the rotary connector device 1 includes an FFC winding step of winding the FFC 100 around the rotator 10 (step s1), a sub-stator assembly step of assembling the sub-stator 20B on the rotator 10 around which the FFC 100 is wound (step s2),
  • the rotating-side connector temporary fixing step step s3) of temporarily fixing the fixed-side connector 40 to the sub-stator 20B, the stator main body assembling step of assembling the stator main body 20A to the sub-stator 20B (step s4), and the fixed-side connector 40 partitioning part
  • the fixed-side connector assembling step (step s5) and the sleeve 30 assembling the sleeve 30 to the rotator 10 (step s6) are performed in this order, so that the rotator 10 and the stator 20 are relatively rotatably fitted. And group It can stand.
  • the fixed side connector 40 is attached to one end side of the FFC 100, and the rotary side connector attached to the other end side of the FFC 100 is housed in the rotary side connector housing portion 13 of the rotator 10, so that the FFC 100 is installed in the inner peripheral tubular portion 12. It is wound so as to be wound around the outer peripheral surface (step s1).
  • the sub-stator 20B is assembled to the rotator 10 in the upside-down state so that the inner peripheral cylindrical portion 12 around which the FFC 100 is wound is arranged inside the outer peripheral cylindrical portion 22 (step s2).
  • the one end side of the wound FFC 100 is turned back so that the one end side faces in the ⁇ Z direction, and the one end side of the FFC 100 is turned so that the turned back portion is arranged in the drawing passage Tc.
  • the cable passage T is inserted.
  • the fixed-side connector 40 connected to one end of the FFC 100 can be arranged in the ⁇ Z direction.
  • the fixed side connector 40 is turned upside down so that the temporary locked portion 423 formed in a substantially T shape in plan view protrudes in the ⁇ Y direction, and the temporary locked portion 423 is temporarily fixed. And fit. As a result, the fixed connector 40 can be temporarily fixed to the sub-stator 20B (step s3).
  • the fixed-side connector 40 is intended when the stator main body 20A is assembled to the rotator 10 to which the sub-stator 20B is assembled. It can be prevented from moving without doing so, and the assembly work of the rotary connector device 1 can be efficiently performed.
  • stator main body 20A is assembled so that the FFC 100 inserts the insertion portion 24 into the sub-stator 20B in which the fixed-side connector 40 is temporarily fixed to the temporary fixing portion 28 in this manner (step s4). ).
  • the insertion portion 24 is arranged in the ⁇ Z direction (downward) of the drawing passage Tc.
  • the tip end side of the FFC 100 arranged in the drawing passage Tc through the guide passage Ta and the direction changing passage Tb from the accommodation space S can be inserted into the insertion portion 24 (see FIG. 12).
  • the FFC 100 can be pulled out in the -Z direction while the stator body 20A is assembled to the sub-stator 20B.
  • the side surface of the partition portion 25 in the + Y direction is tapered toward the ⁇ Y direction, it is possible to prevent the fixed-side connector 40 from moving during the assembling work of assembling the stator body 20A to the sub-stator 20B. At the same time, it is possible to prevent the FFC 100 connected to the temporarily fixed connector 40 from interfering with the stator body 20A. Therefore, it is possible to reliably prevent the FFC 100 from being damaged by being interfered with the stator body 20A to which the FFC 100 is assembled.
  • the length of the portion where the fixed connector 40 is pulled out from the insertion portion 24 of the FFC 100 attached to one end is the partition portion 25. It is designed to be approximately twice the height of.
  • step s4 the temporary locked portion 423 fitted to the temporary fixing portion 28 is removed to release the temporary fixing of the fixed side connector 40, and then the fixed side connector 40 is moved up and down as shown in FIG.
  • the fixed-side connector 40 is placed below the outer peripheral tubular portion 22 ( ⁇ Z It can be attached to the main surface (direction side) (step s5).
  • the fixed side connector 40 Since the partition portion 25 having a predetermined height is provided between the insertion portion 24 and the fitting concave portion 26, the fixed side connector 40 is fixed to the main surface of the outer peripheral tubular portion 22 by fixing.
  • the FFC 100 one end of which is connected to the side connector 40, is folded back by the partition portion 25, so that the fixed side connector 40 can be easily fitted into the fitting recess 26, and the FFC 100 can be prevented from bending due to its own weight.
  • the height of the partition 25 is preferably not less than 1 ⁇ 3 and not more than twice the length of the FFC 100 pulled out from the insertion portion 24. If the height of the partition portion 25 is less than one-third of the length of the FFC 100 that is pulled out from the insertion portion 24, the FFC 100 will bend and may interfere with other members to be damaged.
  • the height of the partition portion 25 is 1 ⁇ 2 or more of the length of the FFC 100 pulled out from the insertion portion 24, the FFC 100 is pulled by the partition portion 25, and the fixed side connector 40 is fitted into the fitting recess 26. There is a fear that the fixed side connector 40 may be easily disengaged from the fitting recess 26. Furthermore, when the fixed-side connector 40 is fitted into the fitting recess 26, the FFC 100 is pressed against the partition portion 25, which may damage the FFC 100.
  • the height of the partition portion 25 is set to 1/3 or more and 2 times or less of the length of the FFC 100 that is pulled out from the insertion portion 24, so that the fixed connector 40 is reliably fitted into the fitting recess 26. In addition, it is possible to prevent the FFC 100 from bending and interfering with other members.
  • the fitting groove 52 of the housing cover 50 is fitted to the upper fitting convex portion 422 and the lower fitting convex portion 432 of the fixed side connector 40. While sliding, the housing cover 50 can be assembled to the fixed side connector 40 to the position where the cover fixing portion 53 contacts the fixed base portion 27 (see FIGS. 14 and 15).
  • the housing cover 50 can be fixed to the outer peripheral tubular portion 22 by screwing the fixed base portion 27 and the cover fixing portion 53 that are in contact with each other, and the fixed side of the housing cover 50 housed in the protective space K.
  • the connector 40 can be protected and securely fixed to the outer peripheral tubular portion 22.
  • the rotating connector device 1 can be completed by assembling the sleeve 30 to the rotator 10 so that the rotator 10 and the sleeve 30 sandwich the stator 20 so that the rotator 10 can rotate relative to the stator 20. (Step s6).
  • the rotary connector device 1 is configured by the rotator 10 and the stator 20 that are fitted to each other so as to be rotatable relative to each other and that forms the cylindrical accommodation space S, and the FFC 100 that is wound and accommodated in the accommodation space S.
  • the rotator 10 is composed of an annular rotation-side ring plate 11 and a cylindrical inner peripheral cylinder portion 12 forming the inner peripheral surface of the accommodation space S
  • the stator 20 is composed of an annular fixed-side ring plate 21.
  • a fixed-side connector 40 that is electrically connected to electric devices arranged on the rotator 10 side, and is connected to one end of the FFC 100.
  • the fixed connector 40 is located outside the principal surface of the fixed-side ring plate 21, it can be miniaturized.
  • the stator 20 is provided with the insertion portion 24 and the fixed-side connector 40 connected to one end of the FFC 100 is installed on the fixed-side ring plate 21, it is located outside the accommodation space S along the rotation axis A.
  • the fixed-side connector 40 which is connected to one end side of the FFC 100 that is pulled out (toward the ⁇ Z direction), projects toward the direction ( ⁇ Z direction) in which the stator 20 is arranged with respect to the rotator 10.
  • a fitting recess 26 for detachably installing the fixed connector 40 is provided on the main surface of the fixed side ring plate 21 outside the accommodation space (-Z direction), so that the fixed part inserted into the insertion part 24 is fixed. Since the side connector 40 can be attached to and detached from the fixed side ring plate 21, the rotary connector device 1 can be efficiently assembled.
  • the fixed side connector 40 can be removed from the fixed side ring plate 21 by providing the fixed side ring plate 21 with the fitting recess 26. Therefore, for example, when the fixed-side connector 40 is connected to the FFC 100 having the insertion portion 24 inserted, the fixed-side connector 40 can be moved to a desired position where the FFC 100 can be easily connected, and the FFC 100 and the fixed-side connector can be easily connected. 40 can be connected. Therefore, the assembly work of the rotary connector device 1 can be efficiently performed.
  • the fixed side connector 40 can be removed from the fixed side ring plate 21, the fixed side connector 40 can be easily removed from the FFC 100, and the disassembly work can be easily performed.
  • the fitting concave portion 26 is integrally formed on the main surface of the fixed-side ring plate 21 in the ⁇ Z direction, the FFC 100 can be slid more smoothly in the accommodation space S, and therefore the rotary connector device is provided.
  • the quality of 1 can be improved.
  • the fitting recess 26 for installing the fixed side connector 40 on the fixed side ring plate 21 is formed on the main surface of the fixed side ring plate 21, on the accommodation space S side of the fixed side ring plate 21, It is possible to prevent a protrusion protruding toward the accommodation space S, a recess recessed in the ⁇ Z direction, and a through hole from being formed.
  • the FFC 100 housed in the housing space S is slid along with the relative rotation of the rotator 10, the FFC 100 can be prevented from being caught by the fixed side ring plate 21. Therefore, the FFC 100 can be slid smoothly. Further, since it is possible to prevent the FFC 100 housed in the housing space S from interfering with the main surface of the fixed side ring plate 21 on the housing space S side, it is possible to prevent the FFC 100 from being damaged.
  • the stator 20 is composed of a sub-stator 20B having an outer peripheral tubular portion 22 and a stator body 20A having a stationary ring plate 21.
  • the sub-stator 20B is provided with a stationary connector 40 on the outer side of the outer peripheral tubular portion 22 in the radial direction.
  • the assembly work of the rotary connector device 1 is performed by assembling the sub-stator 20B to the rotator 10 in which the FFC 100 is wound around the inner peripheral cylindrical portion 12.
  • the fixed-side connector 40 can be brought out of the accommodation space S, and the FFC 100 connected to the fixed-side connector 40 can be inserted into the insertion portion 24 so as to face the accommodation space S in the ⁇ Z direction.
  • the stator body 20A can be assembled to the sub-stator 20B. Therefore, it is possible to prevent the FFC 100 inserted through the insertion portion 24 from interfering with the stator body 20A, and prevent the FFC 100 from being damaged.
  • the fixed side connector 40 connected to one end of the FFC 100 can be temporarily fixed to the temporary fixing portion 28. Therefore, when the stator main body 20A is assembled, the fixed side connector 40 and the FFC 100 end. The side does not hinder the assembling work, and the rotating connector device 1 can be efficiently assembled.
  • stator 20 with the sub-stator 20B and the stator main body 20A and providing the temporary fixing portion 28 on the sub-stator 20B, it is possible to prevent the FFC 100 from being damaged and to efficiently assemble the rotary connector device 1. It can be carried out.
  • the FFC 100 connected to the fixed-side connector 40 is inserted through the insertion section 24 provided on the radially outer side of the fixed side ring plate 21 by providing the insertion section 24 radially outwardly of the accommodation space S. Therefore, the one end side of the FFC 100 housed in the housing space S is arranged outside the housing space S in the radial direction. Therefore, it is possible to prevent one end side of the FFC 100 that is inserted through the insertion portion 24 from excessively rubbing against the FFC 100 that is wound inward in the radial direction, and prevent damage to the FFC 100.
  • the housing cover 50 attached to the fixed side ring plate 21 is provided so as to surround the connection portion between the fixed side connector 40 and the FFC 100, that is, the upper fitting convex portion 422, one end side of the FFC 100 and the fixed side.
  • the connector 40 can be protected, and an unintended external force can be prevented from acting on the one end side of the FFC 100 and the fixed side connector 40. Therefore, it is possible to prevent the fixed side connector 40 and the one end side of the FFC 100 from being damaged, and the fixed side connector 40 can be reliably fixed to the fixed side ring plate 21 by fixing the housing cover 50 to the fixed side ring plate 21.
  • the fixed side connector 40 fitted in the fitting concave portion 26 is arranged radially inward of the outer peripheral edge of the fixed side ring plate 21, so that the fixed side connector 40 can be reliably fixed. Since it can be arranged radially inward when viewed from the bottom, one end of the FFC 100 can be pulled radially inward. Therefore, it is possible to prevent the FFC 100 from interfering with other members arranged on the outer side in the radial direction of the rotary connector device 1, prevent the FFC 100 from being damaged, and ensure that the rotary connector device 1 is downsized. it can.
  • the rotating body corresponds to the rotator 10
  • the fixed body corresponds to the stator 20
  • the installation part corresponds to the fitting recess 26
  • the first fixed body corresponds to the sub-stator 20B
  • the second fixed body corresponds to the stator body 20A
  • the fixed side cover corresponds to the housing cover 50
  • the first fixed body assembling step corresponds to the sub-stator assembling step
  • the fixed connector temporary fixing process corresponds to the rotating connector temporary fixing process.
  • the second fixed body assembling step corresponds to the stator main body assembling step
  • the fixed side connector installation process corresponds to the fixed side connector assembly process
  • the fixed-side connector 40 can be installed by being fitted into the fitting concave portion 26 provided in the fixed-side ring plate 21, but the fixed-side connector 40 is fitted like the fitting concave portion 26.
  • the configuration is no need for the configuration to be matched, and for example, a configuration in which the bottom surface side of the fixed-side connector 40 is slid and locked, a configuration in which it is locked by a claw, or a configuration in which other members are installed may be used.
  • fitting concave portion 26 may be configured by a through hole penetrating the fixed side ring plate 21, and the fixed side connector 40 may be fitted into the through hole, but it may be configured not to penetrate the fixed side ring plate 21. Preferably there is.
  • the fixed-side connector 40 may be installed on the fixed-side ring plate 21 by fixing it with a thermosetting resin or an adhesive.
  • the rotator 10 includes the rotator 10, which is composed of the ring-shaped rotating ring plate 11 and the cylindrical inner peripheral cylindrical portion 12 formed on the inner peripheral edge of the rotating ring plate 11, and the rotator 10.
  • the sleeve 30 is assembled with and integrated with the stator 30, the stator 20 and the rotator 10 that can rotate relative to each other may be included.
  • stator 20 is not limited to the case where the sub-stator 20B that forms the outer peripheral tubular portion 22 and the stator body 20A that forms the fixed side ring plate 21 are fitted together, but the stator 20 also has the outer peripheral tubular portion 22 and the fixed side ring.
  • the plate 21 may be integrally formed.
  • the insertion portion 24 is formed by recessing the outer peripheral edge portion of the fixed side ring plate 21, but may be formed, for example, by recessing the inner peripheral edge portion, or the fixed side ring plate 21. It may be provided so as to penetrate the main surface of the. Further, in the case where a part of the outer peripheral tubular portion 22 formed on the outer peripheral edge of the fixed side ring plate 21 is formed to slightly project radially outward, or when the outer peripheral tubular portion 22 and the fixed side ring plate 21 are formed. It may be integrally formed so as to form a gap.
  • the height of the protective wall portion 29 is lower than the height of the partition portion 25 (see FIG. 8), but as shown in FIG. 16, the height of the protective wall portion 29 is the partition wall. The height may be higher than the height of the portion 25.
  • the fixed-side connector 40 is configured such that the upper bus bar cover 42 and the lower bus bar cover 43 are arranged along the ⁇ Z direction, but, for example, the upper bus bar cover 42 and the lower bus bar cover 43 are ⁇ . It may be arranged along the Y direction.
  • the upper bus bar cover 42 and the lower bus bar cover 43 are arranged along the ⁇ Y direction, the upper bus bar cover 42 and the lower bus bar cover 43 are arranged on the fixed side ring plate 21 that has a small space, and the upper bus bar cover 42 is arranged. In addition, a part of the lower bus bar cover 43 may project radially outward.
  • the upper bus bar cover 42 and the lower bus bar cover 43 are arranged along the ⁇ Z direction. Since the upper bus bar cover 42 and the lower bus bar cover 43 are arranged along the ⁇ Z direction, the strength of the fixed connector 40 may be weakened. Therefore, the fixed connector 40 may be reinforced with the housing cover 50. preferable.
  • the temporary fixing is performed on the temporary fixing portion 28 provided on the outer peripheral tubular portion 22 of the sub-stator 20B.
  • the rotary connector device 1 may be temporarily fixed to a temporary fixing portion separately provided in the assembling device (not shown).
  • the temporary fixing portion for temporarily fixing the fixed-side connector 40 does not have to be provided only in a specific portion of the rotary connector device 1, and may be provided outside the rotary connector device 1.
  • Rotating Connector 10 Rotator 11 Rotating Side Ring Plate 12 Inner Circumferential Cylindrical Section 20 Stator 20A Stator Main Body 20B Substator 21 Fixed Side Ring Plate 22 Outer Circular Cylindrical Section 24 Insertion Section 26 Fitting Recess 28 Temporary Fixing Section 40 Fixed Side Connector 50 Housing Cover 100 Flat cable S Housing space S2 Sub-stator assembling step S3 Rotating side connector temporary fixing step S4 Stator body assembling step S5 Fixed side connector assembling step

Abstract

Le problème décrit par la présente invention est de fournir un dispositif de connecteur rotatif qui peut être miniaturisé. La solution selon l'invention porte sur un dispositif de connecteur rotatif (1) qui comprend : un rotateur (10) et un stator (20) qui sont installés de façon à pouvoir tourner l'un par rapport à l'autre et former un espace de réception interne cylindrique (S) à l'intérieur ; et un FFC (100) qui est enroulé et installé dans l'espace de réception (S). Le rotateur (10) est composé d'une plaque annulaire côté rotatif (11) et d'une partie cylindrique interne (12) présentant une forme cylindrique qui forme la surface périphérique interne de l'espace de réception (S), et le stator (20) est composé d'une plaque annulaire côté fixe (21) et d'une partie cylindrique périphérique externe (22) qui forme la surface périphérique externe de l'espace de réception (S). Un connecteur côté fixe (40), qui est électriquement connecté à des appareils électriques disposés sur le côté du rotateur, est connecté à une extrémité du FFC (100). Le stator (20) est pourvu : d'une partie d'insertion (24) dans laquelle un côté d'extrémité du FFC (100) est inséré le long des directions ±Z de façon à passer à travers l'espace de réception (S) vers l'extérieur du rotateur (10). Le connecteur côté fixe (40) est installé sur la surface principale externe de la plaque annulaire côté fixe (21).
PCT/JP2019/038592 2018-10-11 2019-09-30 Dispositif de connecteur rotatif et procédé d'assemblage de dispositif de connecteur rotatif WO2020075559A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020217011931A KR20210071006A (ko) 2018-10-11 2019-09-30 회전 커넥터 장치 및 회전 커넥터 장치의 조립 방법
JP2020550430A JP7328242B2 (ja) 2018-10-11 2019-09-30 回転コネクタ装置及び回転コネクタ装置の組立方法
CN201980064387.8A CN112789772B (zh) 2018-10-11 2019-09-30 旋转连接器装置以及旋转连接器装置的组装方法
EP19871637.5A EP3859911B1 (fr) 2018-10-11 2019-09-30 Dispositif de connecteur rotatif et procédé d'assemblage de dispositif de connecteur rotatif
US17/218,579 US11552437B2 (en) 2018-10-11 2021-03-31 Rotary connector device and method of assembling rotary connector device

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JP2018192774 2018-10-11
JP2018-192774 2018-10-11

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US17/218,579 Continuation US11552437B2 (en) 2018-10-11 2021-03-31 Rotary connector device and method of assembling rotary connector device

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WO2020075559A1 true WO2020075559A1 (fr) 2020-04-16

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US (1) US11552437B2 (fr)
EP (1) EP3859911B1 (fr)
JP (1) JP7328242B2 (fr)
KR (1) KR20210071006A (fr)
CN (1) CN112789772B (fr)
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WO2023008414A1 (fr) 2021-07-28 2023-02-02 古河電気工業株式会社 Dispositif de connecteur rotatif et procédé de fabrication de dispositif de connecteur rotatif

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